Encode text to Base64 or decode Base64 back to text, with full UTF-8 support and a URL-safe option.
Base64 represents binary data using 64 printable characters (A–Z, a–z, 0–9, + and /), so it can travel through text-only channels like email, JSON or data URLs. It makes data about 33% larger.
No. It only changes the format. Never use it to hide passwords or secrets.